Posted on 23rd August 2015 by melyn Tennlester is the Cornish word for tug-boat Yes, tug-boat in Cornish is tennlester Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related Post navigationPrevious post: Lasnaghus is the Cornish word for teetotalNext post: Grafegel is the Cornish word for graphical